12-letter words containing a, p, o, h, y
- pachycarpous — having a thick pericarp
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- palaeography — the study of the handwritings of the past, and often the manuscripts as well, so that they may be dated, read, etc, and may serve as historical and literary sources
- palatography — a technique for observing the position of the tongue in relation to the palate during articulation, especially by placing powder or dye on the palate and then noting the area from which it has been removed by the contact of the tongue with the palate during the production of a speech sound.
- parahydrogen — the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in opposite directions.
- parapophysis — the process of a vertebra
- pathobiology — pathology with emphasis on the biological aspects of disease
- pearl hominy — whole or ground hulled corn from which the bran and germ have been removed by bleaching the whole kernels in a lye bath (lye hominy) or by crushing and sifting (pearl hominy)
- penalty shot — a free shot at the goal defended only by the goalkeeper, awarded to an offensive player for certain defensive violations.
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- phagocytoses — phagocytize.
- phagocytosis — Physiology. the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local infolding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells.
- phagocytotic — relating to phagocytosis
- phanerophyte — a tree or shrub that bears its perennating buds more than 25 cm above the level of the soil
- pharmacology — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharyngology — the science of the pharynx and its diseases.
- pharyngotomy — surgical incision into the pharynx
- phenomenally — highly extraordinary or prodigious; exceptional: phenomenal speed.
- phenotypical — the observable constitution of an organism.
- philanthropy — altruistic concern for human welfare and advancement, usually manifested by donations of money, property, or work to needy persons, by endowment of institutions of learning and hospitals, and by generosity to other socially useful purposes.
- phlebography — venography.
- phlox family — the plant family Polemoniaceae, characterized by herbaceous or sometimes shrubby plants having simple or compound leaves, flowers with a five-lobed corolla, and capsular fruit, and including gilia, Jacob's-ladder, moss pink, and phlox.
- phonemically — of or relating to phonemes: a phonemic system.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- photo layout — a picture spread. See under spread (def 33).
- photoanalyst — a person who analyzes and interprets photographs, especially a military specialist in aerial or satellite photography.
- photodynamic — the science dealing with light and its effects on living organisms.
- photolyzable — able to undergo photolysis
- phototherapy — treatment of disease, especially of the skin, by means of light rays.
- phreatophyte — a long-rooted plant that absorbs its water from the water table or the soil above it.
- phycoxanthin — a yellow pigment found in brown seaweeds and types of algae
- physiography — the science of physical geography.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- phytographer — a botanist involved with plant description
- phytonadione — vitamin K1.
- phytophagous — herbivorous.
- phytophthora — any of a group of fungi of the genus Phytophthora, which cause a serious plant disease, especially affecting apple and pear trees and potatoes.
- phytotherapy — the use of plants and plant products for medicinal purposes
- pidyon haben — the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth.
- play clothes — clothes that are suitable for playing in
- play through — to pass another foursome or group with their permission, while playing a round of golf
- plymouth bay — a small, well-protected bay on the coast of Massachusetts; the first permanent European settlement in New England; founded by the Pilgrim Fathers.
- pneumography — the process of recording the movements of the thorax in respiration.
- polarography — Chemistry. the use of a Polarograph to perform qualitative or quantitative analyses.
- pollyannaish — an excessively or blindly optimistic person.
- polyarchical — a form of government in which power is vested in three or more persons.
- polychaetous — of or relating to the genus Polychaeta
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles